(19)
(11) EP 1 314 490 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.01.2006 Bulletin 2006/01

(43) Date of publication A2:
28.05.2003 Bulletin 2003/22

(21) Application number: 02025652.5

(22) Date of filing: 19.11.2002
(51) International Patent Classification (IPC): 
B08B 3/04(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 21.11.2001 JP 2001355660

(71) Applicant: Techno Polymer Co., Ltd.
Tokyo 104-0031 (JP)

(72) Inventors:
  • Urabe, Kenichi, Techno Polymer Co., Ltd
    Chuo-ku, Tokyo 104-0031 (JP)
  • Imai, Takateru, Techno Polymer Co., Ltd
    Chuo-ku, Tokyo 104-0031 (JP)

(74) Representative: Winter, Brandl, Fürniss, Hübner Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei 
Bavariaring 10
80336 München
80336 München (DE)

   


(54) Apparatus for cleaning polymeric pieces


(57) A cleaning apparatus capable of sufficiently removing foreign matters such as coating or labels from surfaces of crushed pieces of the collected polymeric mold product is provided. The cleaning apparatus includes a cleaning bath [30] provided with a rotary shaft [35] extending in the longitudinal direction and having a water supply port [11a], a drainage port [12a] as well as an introduction port [21] and a discharging port [22] for polymeric pieces, screw sections [41] having a screw provided on the rotary shaft and flow-path restricting sections [45] having stationary plates standing upright from the inner surface of the cleaning bath [30] to restricting the advancement of water caused by the screw, wherein at least part of a surface of the stationary plate is roughened.







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